26741128397 has 2 divisors, whose sum is σ = 26741128398. Its totient is φ = 26741128396.

The previous prime is 26741128369. The next prime is 26741128423. The reversal of 26741128397 is 79382114762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26654154121 + 86974276 = 163261^2 + 9326^2 .

It is a cyclic number.

It is not a de Polignac number, because 26741128397 - 2¹² = 26741124301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26741128357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13370564198 + 13370564199.

It is an arithmetic number, because the mean of its divisors is an integer number (13370564199).

Almost surely, 2^26741128397 is an apocalyptic number.

It is an amenable number.

26741128397 is a deficient number, since it is larger than the sum of its proper divisors (1).

26741128397 is an equidigital number, since it uses as much as digits as its factorization.

26741128397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The spelling of 26741128397 in words is "twenty-six billion, seven hundred forty-one million, one hundred twenty-eight thousand, three hundred ninety-seven".